GA_Detail::IOStatus GEO_CobIOTranslator::fileSaveToFile( const GEO_Detail *geo, ostream &os, const char *fileName )
{
((ofstream&)os).close();
GU_DetailHandle handle;
handle.allocateAndSet( (GU_Detail*)geo, false );
FromHoudiniGeometryConverterPtr converter = FromHoudiniGeometryConverter::create( handle );
if ( !converter )
{
return false;
}
ObjectPtr object = converter->convert();
if ( !object )
{
return false;
}
try
{
WriterPtr writer = Writer::create( object, fileName );
writer->write();
}
catch ( IECore::Exception e )
{
return false;
}
return true;
}
ObjectPtr FromHoudiniGroupConverter::doDetailConversion( const GU_Detail *geo, const CompoundObject *operands ) const
{
GU_DetailHandle handle;
handle.allocateAndSet( (GU_Detail*)geo, false );
FromHoudiniGeometryConverterPtr converter = FromHoudiniGeometryConverter::create( handle );
if ( !converter || converter->isInstanceOf( FromHoudiniGroupConverter::staticTypeId() ) )
{
/// \todo: if we're in PrimitiveGroup mode, but names exist, we return 0 when we should be returning a Group
return 0;
}
// transfer the common parameter values
CompoundParameter *parameters = converter->parameters();
const CompoundParameter::ParameterMap ¶meterMap = parameters->parameters();
const CompoundObject::ObjectMap &values = operands->members();
for ( CompoundObject::ObjectMap::const_iterator it = values.begin(); it != values.end(); ++it )
{
CompoundParameter::ParameterMap::const_iterator pIt = parameterMap.find( it->first );
if ( pIt != parameterMap.end() && pIt->second->defaultValue()->typeId() == it->second->typeId() )
{
parameters->setParameterValue( it->first, it->second );
}
}
return converter->convert();
}
GEO_Primitive *GU_CortexPrimitive::doConvert( GU_ConvertParms &parms )
{
if ( !m_object )
{
return 0;
}
#if UT_MAJOR_VERSION_INT >= 13
GA_PrimCompat::TypeMask type = parms.toType();
#else
GA_PrimCompat::TypeMask type = parms.toType;
#endif
/// \todo: should the GEO_PrimTypeCompat be registered with the converters?
if ( m_object->isInstanceOf( IECore::MeshPrimitiveTypeId ) && type == GEO_PrimTypeCompat::GEOPRIMPOLY )
{
GU_DetailHandle handle;
handle.allocateAndSet( (GU_Detail*)getParent(), false );
ToHoudiniPolygonsConverterPtr converter = new ToHoudiniPolygonsConverter( IECore::runTimeCast<const IECore::MeshPrimitive>( m_object.get() ) );
if ( !converter->convert( handle ) )
{
return 0;
}
}
/// \todo: support for CurvesPrimitive, PointsPrimitive, and any other existing converters
return 0;
}
GA_Detail::IOStatus GEO_CobIOTranslator::fileLoad( GEO_Detail *geo, UT_IStream &is, int ate_magic )
{
((UT_IFStream&)is).close();
ConstVisibleRenderablePtr renderable = 0;
try
{
ReaderPtr reader = Reader::create( is.getLabel() );
if ( reader->isInstanceOf( ParticleReaderTypeId ) )
{
reader->parameters()->parameter<IntParameter>( "realType" )->setNumericValue( ParticleReader::Float );
}
renderable = runTimeCast<VisibleRenderable>( reader->read() );
}
catch ( IECore::Exception e )
{
return false;
}
if ( !renderable )
{
return false;
}
ToHoudiniGeometryConverterPtr converter = ToHoudiniGeometryConverter::create( renderable );
if ( !converter )
{
return false;
}
GU_DetailHandle handle;
handle.allocateAndSet( (GU_Detail*)geo, false );
return converter->convert( handle );
}
GA_Detail::IOStatus GEO_CobIOTranslator::fileLoad( GEO_Detail *geo, UT_IStream &is, int ate_magic )
{
((UT_IFStream&)is).close();
ConstObjectPtr object = 0;
try
{
ReaderPtr reader = Reader::create( is.getLabel() );
if ( !reader )
{
return false;
}
object = reader->read();
}
catch ( IECore::Exception e )
{
return false;
}
if ( !object )
{
return false;
}
ToHoudiniGeometryConverterPtr converter = ToHoudiniGeometryConverter::create( object.get() );
if ( !converter )
{
return false;
}
GU_DetailHandle handle;
handle.allocateAndSet( (GU_Detail*)geo, false );
return converter->convert( handle );
}
void IECoreMantra::ProceduralPrimitive::addVisibleRenderable( VisibleRenderablePtr renderable )
{
ToHoudiniGeometryConverterPtr converter = ToHoudiniGeometryConverter::create( renderable );
if( !converter )
{
msg( Msg::Warning, "ProceduralPrimitive::addVisibleRenderable", "converter could not be found" );
return;
}
GU_Detail *gdp = allocateGeometry();
GU_DetailHandle handle;
handle.allocateAndSet( (GU_Detail*)gdp, false );
bool converted = converter->convert( handle );
if ( !converted )
{
msg( Msg::Warning, "ProceduralPrimitive::addVisibleRenderable", "converter failed" );
return;
}
/// \todo ToHoudiniGeometryConverter does not create a Houdini style uv attribute.
/// We make one from s and t. This code should probably live in a converter or in an Op that
/// remaps IECore conventions to common Houdini ones.
MeshPrimitivePtr mesh = runTimeCast<MeshPrimitive> (renderable);
if ( mesh )
{
gdp->addTextureAttribute( GA_ATTRIB_VERTEX );
GEO_AttributeHandle auv = gdp->getAttribute( GA_ATTRIB_VERTEX, "uv" );
GEO_AttributeHandle as = gdp->getAttribute( GA_ATTRIB_VERTEX, "s" );
GEO_AttributeHandle at = gdp->getAttribute( GA_ATTRIB_VERTEX, "t" );
if ( auv.isAttributeValid() && as.isAttributeValid() && at.isAttributeValid() )
{
GA_GBPrimitiveIterator it( *gdp );
GA_Primitive *p = it.getPrimitive();
while ( p )
{
for (int i = 0; i < p->getVertexCount(); ++i)
{
GA_Offset v = p->getVertexOffset(i);
as.setVertex(v);
at.setVertex(v);
auv.setVertex(v);
auv.setF( as.getF(0), 0 );
auv.setF( ((at.getF(0) * -1.0f) + 1.0f), 1 ); // wat, t arrives upside down for some reason.
auv.setF( 0.0f, 2 );
}
++it;
p = it.getPrimitive();
}
}
}
if ( m_renderer->m_motionType == RendererImplementation::Geometry )
{
msg(Msg::Debug, "IECoreMantra::ProceduralPrimitive::addVisibleRenderable", "MotionBlur:Geometry" );
if ( !m_renderer->m_motionTimes.empty() )
{
if ( (size_t)m_renderer->m_motionSize == m_renderer->m_motionTimes.size() )
{
openGeometryObject();
}
addGeometry(gdp, m_renderer->m_motionTimes.front());
m_renderer->m_motionTimes.pop_front();
if ( m_renderer->m_motionTimes.empty() )
{
applySettings();
closeObject();
}
}
}
else if ( m_renderer->m_motionType == RendererImplementation::ConcatTransform ||
m_renderer->m_motionType == RendererImplementation::SetTransform )
{
// It isn't clear that this will give correct results.
// ConcatTransform may need to interpolate transform snapshots.
msg(Msg::Debug, "IECoreMantra::ProceduralPrimitive::addVisibleRenderable", "MotionBlur:Transform" );
openGeometryObject();
addGeometry(gdp, 0.0f);
while ( !m_renderer->m_motionTimes.empty() )
{
setPreTransform( convert< UT_Matrix4T<float> >(m_renderer->m_motionTransforms.front()),
m_renderer->m_motionTimes.front() );
m_renderer->m_motionTimes.pop_front();
m_renderer->m_motionTransforms.pop_front();
}
applySettings();
closeObject();
m_renderer->m_motionType = RendererImplementation::Unknown;
}
else if ( m_renderer->m_motionType == RendererImplementation::Velocity )
{
msg(Msg::Debug, "IECoreMantra::ProceduralPrimitive::addVisibleRenderable", "MotionBlur:Velocity" );
openGeometryObject();
addGeometry(gdp, 0.0f);
addVelocityBlurGeometry(gdp, m_preBlur, m_postBlur);
applySettings();
closeObject();
m_renderer->m_motionType = RendererImplementation::Unknown;
}
else
{
msg(Msg::Debug, "IECoreMantra::ProceduralPrimitive::addVisibleRenderable", "MotionBlur:None" );
openGeometryObject();
addGeometry( gdp, 0.0f );
setPreTransform( convert< UT_Matrix4T<float> >(m_renderer->m_transformStack.top()), 0.0f);
applySettings();
closeObject();
}
}
bool ToHoudiniGroupConverter::doConversion( const VisibleRenderable *renderable, GU_Detail *geo ) const
{
const Group *group = IECore::runTimeCast<const Group>( renderable );
if ( !group )
{
return false;
}
Imath::M44f transform = ( runTimeCast<const M44fData>( m_transformParameter->getValue() ) )->readable();
const Transform *groupTransform = group->getTransform();
if ( groupTransform )
{
transform = transform * groupTransform->transform();
}
TransformOpPtr transformOp = new TransformOp();
M44fDataPtr transformData = new M44fData( transform );
transformOp->matrixParameter()->setValue( transformData );
std::string groupName = nameParameter()->getTypedValue();
if ( groupName == "" )
{
// backwards compatibility with older data
if ( const StringData *groupNameData = group->blindData()->member<StringData>( "name" ) )
{
groupName = groupNameData->readable();
}
}
const std::string &attribFilter = attributeFilterParameter()->getTypedValue();
bool convertStandardAttributes = convertStandardAttributesParameter()->getTypedValue();
size_t i = 0;
const Group::ChildContainer &children = group->children();
for ( Group::ChildContainer::const_iterator it=children.begin(); it != children.end(); ++it, ++i )
{
ConstVisibleRenderablePtr child = *it;
ConstPrimitivePtr primitive = runTimeCast<const Primitive>( child );
if ( primitive )
{
transformOp->inputParameter()->setValue( constPointerCast<Primitive>( primitive ) );
child = staticPointerCast<VisibleRenderable>( transformOp->operate() );
}
ToHoudiniGeometryConverterPtr converter = ToHoudiniGeometryConverter::create( child );
if ( !converter )
{
continue;
}
std::string name = groupName;
if ( const StringData *childNameData = child->blindData()->member<StringData>( "name" ) )
{
const std::string &childName = childNameData->readable();
if ( childName != "" )
{
if ( groupName != "" )
{
name += "/";
}
name += childName;
}
}
converter->nameParameter()->setTypedValue( name );
converter->attributeFilterParameter()->setTypedValue( attribFilter );
converter->convertStandardAttributesParameter()->setTypedValue( convertStandardAttributes );
ToHoudiniGroupConverter *groupConverter = runTimeCast<ToHoudiniGroupConverter>( converter );
if ( groupConverter )
{
groupConverter->transformParameter()->setValue( transformData );
}
GU_DetailHandle handle;
handle.allocateAndSet( geo, false );
if ( !converter->convert( handle ) )
{
continue;
}
}
return true;
}